Home / 19,653,711.28-27,122,229.54-11,398,668.71

Finding the Fourth Proportional to 19,653,711.28, 27,122,229.54 and 11,398,668.71

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Solution

The fourth proportional to 19,653,711.28, 27,122,229.54 and 11,398,668.71 is: 15,730,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653,711.28 : 27,122,229.54 = 11,398,668.71 : x
  2. Step 2: Convert to fraction form
    19,653,711.28/27,122,229.54 = 11,398,668.71/x
  3. Step 3: Cross multiply
    19,653,711.28x = 27,122,229.54 × 11,398,668.71
  4. Step 4: Simplify right side
    19,653,711.28x = 309,157,309,067,424.56
  5. Step 5: Solve for x
    x = 309,157,309,067,424.56/19,653,711.28
  6. Step 6: Final answer
    x = 15,730,225.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.